Joseph Arhar
Senior Software Engineer at Google
California, United States
Summary
🤩
Rockstar🎓
Top SchoolJoseph Arhar is a Senior Software Engineer based in California with 11 years of experience building and hardening web platform features at Google, including Chrome HTML, DOM, Forms, and DevTools. He combines deep front-end expertise with rigorous test automation—contributing to high-profile open-source projects like Chromium, Firefox (gecko), Chrome DevTools, and the W3C CSS drafts—to standardize behaviors for controls such as <select> and new CSS pseudo-elements. His work spans shipping UX improvements (HAR export, Network panel enhancements) to authoring Web Platform Tests that validate accessibility and input handling across browsers. Known for fixing subtle CSS and interaction bugs, he brings a pragmatic focus on interoperability and spec-driven engineering that improves both developer tooling and end-user experiences.
11 years of coding experience
4 years of employment as a software developer
California Polytechnic State University, San Luis Obispo
Github Skills (27)
accessibility10
javascript10
testing10
css10
user-interface10
websocket10
ui-design10
forms10
devtools10
uid10
websockets-client10
front-end-development10
chrome10
html10
websocket-client10
Programming languages (17)
Github contributions (5)
web-platform-tests/wpt
Oct 2019 - Jan 2023
Test suites for Web platform specs — including WHATWG, W3C, and others
Role in this project:
Front-end Developer & Test Automation Engineer
Front-end Developer & Test Automation EngineerContributions:23 reviews, 120 commits, 22 PRs in 3 years 4 months
Contributions summary:Joseph primarily contributed to the project by implementing and testing UI elements and functionalities within a web platform. They focused on fixing bugs related to text field selection and ensuring proper behavior of elements such as dialogs, buttons, and form controls. Their work involved writing WPT tests to verify correct handling of mouse and keyboard input, including touch, click, and keypress events, with a strong focus on testing accessibility features and ensuring compliance with browser standards.
microsoft-edgetest-runnerspecssafarifirefox
ChromeDevTools/devtools-frontend
Sep 2018 - Oct 2022
The Chrome DevTools UI
Role in this project:Front-end Developer
Front-end DeveloperContributions:57 commits in 4 years 1 month
Contributions summary:Joseph primarily contributed to the Chrome DevTools UI, focusing on the Network panel and HAR (HTTP Archive) export/import functionality. Their work included implementing new features like adding metrics to the film strip, improving the binary WebSocket message viewer, and adding filtering for blob URLs. Additionally, the user fixed bugs related to HAR exports, such as incorrect time values and the inclusion of WebSocket messages, as well as addressed UI issues, enhancing overall usability.
instrumentationreactjavascriptchromecdp
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